The Rasmussen 21" Brown Vented Uniform FireBalls - FB21-BR bring warmth and a contemporary touch to your vented fireplace. These fireballs are made from durable ceramic and finished with a rich brown, heat-resistant stain that retains its color over time. Their uniform shape is designed to conceal the burner, creating a sleek, minimalist appearance. Perfect for residential and commercial use, these fireballs are compatible with Rasmussen Vented Custom Pan Burners (sold separately), making them a stylish and practical choice.